Frame the front of the house with small plants and shrubs closest to the front door, and gradually get larger as you move away from the center of the home. Colorful annuals such as daisies, calibrachoa, phlox or verbena are ideal to plant around the porch to draw the eye up. Look for flower colors in orange, pink, red or purple to complement gray brick.
Cover the foundation -- all the way around the home -- with small hedges or shrubs. If you want green hedges, boxwood or juniper, create a calming color palette in the yard. To inject color into the landscape, which will offset the gray, choose hedges such as rust-colored barberry, burning bush or purple lilac.
Soften the appearance of the gray brick with ornamental trees placed around the home. Ornamental trees are also useful in providing shade and privacy. Choose trees such as crape myrtle in vibrant pink or purple shades to balance out gray brick, or stick to a neutral color palette and select white flowering trees such as crabapple, flowering pear or magnolia.
Line the driveway or walkway planters with fragrant flowering shrubs such as lavender, azalea, hydrangea or heather. Flowering shrubs offer fragrance and color to any landscape. Balance out the texture of the brick, along with the material used for the driveway and planters, by using wood chips or mulch for container planting and flowerbeds.